Polar Bears 2024 pdf epub mobi 电子书


Polar Bears

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发表于2024-12-27

Polar Bears 2024 pdf epub mobi 电子书

Polar Bears 2024 pdf epub mobi 电子书

Polar Bears 2024 pdf epub mobi 电子书



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出版者:World Conservation Union
作者:Jon Aars
出品人:
页数:189
译者:
出版时间:2006-12-31
价格:USD 24.00
装帧:Paperback
isbn号码:9782831709598
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Polar Bears 2024 pdf epub mobi 电子书 图书描述

These proceedings provide an overview of the ongoing research and management activities on polar bears in the circumpolar arctic. Together with the previous 13 proceedings, they provide an historic record of international efforts in protecting, studying and managing polar bears.

With recent documentation of how warmer arctic climate might affect the sea ice habitat of polar bears, the predictions of even warmer climate in the next decades, and documentation of effects on polar bears subpopulations, an evaluation of the red list status of polar bear subpopulations was followed by an increased conservation designation of vulnerable. In the complexity of possible interactions between climate change, local harvest, and in some areas high levels of pollutants, an increased level of international cooperation was advocated.

Polar Bears 2024 pdf epub mobi 电子书

Polar Bears 2024 pdf epub mobi 电子书
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